gangue processing machinery
Sensors | Free Full-Text | Research on Recognition of Coal and Gangue …
Coal gangue image recognition is a critical technology for achieving automatic separation in coal processing, characterized by its rapid, environmentally friendly, and energy-saving nature. However, the response characteristics of coal and gangue vary greatly under different illuminance conditions, which poses challenges to …
Gangue Source Reduction Technology and Process …
The precise identification of damp, sticky coal gangue; efficient jet nozzle separation; and process layout in a narrow, restricted space are essential technologies for gangue source reduction based on underground gangue photoelectric separation, which is critical for the long-term growth of coal mines. In this paper, the X-ray absorption fine …
A fast recognition method for coal gangue image processing
A modified YOLOv4 model, named GYOLO, for coal gangue recognition is proposed with the aim of reducing model parameters, improving calculation speed, and reducing equipment requirements. This paper proposes a modified YOLOv4 model, named GYOLO, for coal gangue recognition with the aim of reducing model parameters, …
Copper Processing | Multotec
Copper Processing. Copper processing uses physical, mechanical and / or chemical methods to convert run-of-mine (ROM) copper ore to high-quality, pure copper. A wide range of mineral processing equipment is used in converting the copper ore to the final copper product, our solutions range includes: Screening Solutions. Cyclone Solutions.
Image feature extraction and recognition model …
Least squares vector machine has a strong ability to classify, so the use of least squares vector machine to achieve coal gangue identification, and build coal gangue identification model. The results show that the recognition accuracy of the model for coal gangue images is 92.2% and 91.5%, respectively, with gray skewness and texture contrast ...
8 Types of Gold Ore
About 70%-75% of the gold deposits are natural gold, and 20% are Au-Ag telluride. The remaining 5% -10% is "invisible" gold ore, symbiotic in quartz ore, silver ore, pyrite, pyrrhotite, sphalerite, gangue, arsenopyrite, gangue, and other minerals. In South Africa, Witwatersrand Basin has the world's largest placer gold deposit.
What are the uses of coal gangue after processing | LZZG
Coal gangue can be processed to 1-2mm to make bricks. Coal gangue sintered hollow brick refers to shale, coal gangue or fly ash as the main raw material. 4. Chemical industry: ① Making aluminum trichloride: the main raw materials are coal gangue and chemical hydrochloric acid. It is a new type of water purifier. Processing technology:
Classification of coal and gangue under multiple
Machine vision methods based on visible light are widely used in the coal preparation field. ... The process of coal and gangue recognition method used in the study is shown in Fig. 1. Download : Download high-res image (101KB) Download : Download full-size image; Fig. 1. Process of the relief-SVM recognition method. 3. Experiments.
The six main steps of iron ore processing
Six steps to process iron ore. 1. Screening. We recommend that you begin by screening the iron ore to separate fine particles below the crusher's CSS before the crushing stage. A static screen is used to divert the fine particles for crushing. This step prevents overloading the crusher and increases its efficiency.
mining machinery smashes coal gangue
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A review of intelligent coal gangue separation …
Intelligent coal gangue separation equipment has the advantages of fast speed, high precision, strong modularity, and integration scalability. It also has the …
Gangue Source Reduction Technology and Process …
Abstract. The precise identification of damp, sticky coal gangue; efficient jet nozzle separation; and process layout in a narrow, restricted space are essential …
Copper Processing | Multotec
Home. Copper Processing. Copper processing uses physical, mechanical and / or chemical methods to convert run-of-mine (ROM) copper ore to high-quality, pure copper. A wide range of mineral processing …
Research on methods to differentiate coal and gangue using …
Machine vision technology [12,13] is widely used in coal gangue image processing [14], target region segmentation [15], and other fields for its economic, efficient, safe, and reliable ...
Houying Group Haicheng Gangue Processing Co., Ltd.
Find company research, competitor information, contact details & financial data for Houying Group Haicheng Gangue Processing Co., Ltd. of Anshan, Liaoning. Get the latest business insights from Dun & Bradstreet. Houying Group Haicheng Gangue Processing Co., Ltd. ... and Mining Machinery Manufacturing, ...
Image feature extraction and recognition model …
Grayscale processing of coal and gangue images. In the processing of color images, the three components of R, G and B should be processed respectively, but in fact they cannot reflect the ...
High Value-added Utilization Situation of Coal Gangue
Coal gangue is a carbon-containing rock discharged from coal mines in the production process of development, mining, and coal washing. It is also one of the largest industrial solid wastes in my country. Containing carbon and other organic matter and inorganic silicate minerals, direct discharge or filling back into wells will waste resources, …
A review of coal gangue identification research
Top coal caving is a process for the rational extraction of large amounts of coal resources. However, this process readily causes release of excessive amounts of gangue during the coal release process. The conventional technique, which involves visual inspection, is not only labor-intensive but also can introduce inaccuracies. Coal and …
Henan Dewo Machinery Mining & Construction Solutions
About dewo machinery. Approved by the National Commerce Ministry, established in 1986, located in Zhengzhou City, Henan Province, Covering area about 300,000 square meters, With more than 1000 employees which including R&D staffs more than 100 people, Henan Dewo is a comprehensive enterprise which integrates researching, Manufacturing, …
The real-time detection method for coal gangue based on
Lai Wenhao constructed a coal gangue dataset through multispectral analysis of coal gangue recognition, and using an improved YOLOv4, achieved a detection accuracy of over 98%, the detection time is approximately 4.18 s. He Jiang et al. designed a coal and gangue detection system using machine vision and the AlexNet network. …
Advanced Analytics for Mineral Processing | SpringerLink
Introduction to Mineral Processing. Mineral processing is a field that contends with procedures and technologies used for separating valuable minerals from gangue or waste rock. It is a process that converts the extracted ore through mining activity into a more concentrated material, which serves as an input for the extractive …
Coal gangue beneficiation tailings treatment process flow
The coal gangue treatment process flow is as follows: Rough selection: First, the gangue is screened through a vibrating screen or a grinding screen, and divided into larger and smaller parts. Most of the stones are screened out, while the fine particles enter the grinding machine or ball mill for grinding.
Technology and engineering test of filling goaf with coal gangue …
The pumping system is a process equipment system integrating pipeline, valve group, monitoring, and control to transport gangue slurry and fill it to the designated goaf by filling pump or gravity ...
Coal gangue processing
Coal gangue processing. Coal gangue is a rock mixed with organic and inorganic compounds co-deposited with coal during coal formation.Usually in a thin layer and in the coal seam or in the top of the coal seam, the …
Sensors | Free Full-Text | Research on Recognition of …
The results showed that the proposed laser speckle image features can facilitate more stable coal gangue recognition with illumination factors, providing a new, …
Low-carbon utilization of coal gangue under the carbon
Coal gangue, produced during coal mining and processing [1, 2], is one of the most extensively produced solid wastes in China [1, 3], accounting for approximately 10%‒20% of raw coal production [].The accumulation of coal gangue causes serious environmental, social, and economic problems in the coal mining area [].Heavy metals …
Mineral processing | Metallurgy, Crushing
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Full article: A review of intelligent coal gangue separation technology
tandfonlineWhy is automatic removal of coal gangue important?Therefore, reducing the amount of coal gangue in raw coal is one of the necessary ways to achieve efficient clean utilization of coal resources and ensure the development of clean, low-carbon, and green energy in our country. In coal mining, the automatic removal of coal gangue is an important link in modern coal production and processing.Full article: A review of intelligent coal gangue separation technology
tandfonlineWhat are the application problems of coal gangue separation equipment?Some application problems exist in traditional coal gangue separation equipment, such as difficulty in identifying black coal gangue similar to coal. The linear array detector used by the sorting equipment has many pixels and a large amount of data processing, so it needs to be equipped with an industrial computer for special processing.Full article: A review of intelligent coal gangue separation technology
tandfonlineWhy is intelligent coal gangue sorting equipment important?The development of intelligent coal gangue sorting equipment can effectively increase the utilization rate of coal resources and enhance the economic benefits of enterprises. This process is necessary to automate coal mining and dressing.Full article: A review of intelligent coal gangue separation technology
tandfonlineFeedbackIntelligent Gangue Sorting System Based on Dual …
WEBTo tackle the challenges associated with coal gangue target detection, including algorithm performance imbalance and hardware deployment difficulties, in this …
Mineral Processing Glossary
The settling of solid particles as a result of either gravity or centrifugal action. Separation. The fundamental step of mineral processing by which the product from the size reduction step (liberation) is separated into a valuable mineral stream (concentrate) and a gangue stream (tailings). Set Point.
The Most Effective Lithium Ore Processing Method You …
The most commonly used lithium mineral processing equipment include crushers (jaw crushers and cone crushers), vibrating screens, ball mills, flotation machines, magnetic separators, and dryers. FTM Machinery can provide a series of lithium ore processing equipment, which is well-received in the world market. Our goal is to create …